XML 48 R31.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Restricted Securities Available For Sale (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract] |
Schedule Of Restricted Securities Available For Sale | Restricted securities available for sale consist of the following:
(In millions) | As of December 31, 2024
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Corporate bonds | $ | 49.4 |  |  | $ | 0.2 |  |  | $ | (0.4) |  |  | $ | 49.2 |
U.S. Government and agency securities | 35.6 |  |  | 0.1 |  |  | (0.4) |  |  | 35.3 |
Asset-backed securities | 20.1 |  |  | 0.1 |  |  | — |  |  | 20.2 |
Mortgage-backed securities | 1.7 |  |  | — |  |  | — |  |  | 1.7 |
Total restricted securities available for sale | $ | 106.8 |  |  | $ | 0.4 |  |  | $ | (0.8) |  |  | $ | 106.4 |
(In millions) | As of December 31, 2023
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Corporate bonds | $ | 40.5 |  |  | $ | 0.3 |  |  | $ | (0.9) |  |  | $ | 39.9 |
U.S. Government and agency securities | 35.2 |  |  | 0.2 |  |  | (0.9) |  |  | 34.5 |
Asset-backed securities | 18.0 |  |  | 0.1 |  |  | (0.2) |  |  | 17.9 |
Municipal securities | 0.7 |  |  | — |  |  | — |  |  | 0.7 |
Mortgage-backed securities | 0.2 |  |  | — |  |  | — |  |  | 0.2 |
Total restricted securities available for sale | $ | 94.6 |  |  | $ | 0.6 |  |  | $ | (2.0) |  |  | $ | 93.2 |
Schedule Of Restricted Securities Available For Sale By Aging Category | The fair value and gross unrealized losses for restricted securities available for sale, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, are as follows:
(In millions) | Securities Available for Sale with Gross Unrealized Losses as of December 31, 2024
| Less than 12 Months |  | 12 Months or More |  |  |  |
| Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses |  | Total Estimated Fair Value |  | Total Gross Unrealized Losses
Corporate bonds | $ | 13.1 |  |  | $ | (0.2) |  |  | $ | 8.4 |  |  | $ | (0.2) |  |  | $ | 21.5 |  |  | $ | (0.4) |
U.S. Government and agency securities | 19.8 |  |  | (0.2) |  |  | 4.9 |  |  | (0.2) |  |  | 24.7 |  |  | (0.4) |
Asset-backed securities | 2.4 |  |  | — |  |  | 3.6 |  |  | — |  |  | 6.0 |  |  | — |
Mortgage-backed securities | 1.7 |  |  | — |  |  | — |  |  | — |  |  | 1.7 |  |  | — |
Total restricted securities available for sale | $ | 37.0 |  |  | $ | (0.4) |  |  | $ | 16.9 |  |  | $ | (0.4) |  |  | $ | 53.9 |  |  | $ | (0.8) |
(In millions) | Securities Available for Sale with Gross Unrealized Losses as of December 31, 2023
| Less than 12 Months |  | 12 Months or More |  |  |  |
| Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses |  | Total Estimated Fair Value |  | Total Gross Unrealized Losses
Corporate bonds | $ | 2.7 |  |  | $ | — |  |  | $ | 18.4 |  |  | $ | (0.9) |  |  | $ | 21.1 |  |  | $ | (0.9) |
U.S. Government and agency securities | 6.8 |  |  | (0.1) |  |  | 16.4 |  |  | (0.8) |  |  | 23.2 |  |  | (0.9) |
Asset-backed securities | 1.6 |  |  | — |  |  | 7.3 |  |  | (0.2) |  |  | 8.9 |  |  | (0.2) |
Mortgage-backed securities | — |  |  | — |  |  | 0.2 |  |  | — |  |  | 0.2 |  |  | — |
Total restricted securities available for sale | $ | 11.1 |  |  | $ | (0.1) |  |  | $ | 42.3 |  |  | $ | (1.9) |  |  | $ | 53.4 |  |  | $ | (2.0) |
Schedule Of Cost And Estimated Fair Values Of Debt Securities By Contractual Maturity | The cost and estimated fair values of debt securities by contractual maturity were as follows (securities with multiple maturity dates are classified in the period of final maturity). Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
(In millions) |  | As of December 31,
|  | 2024 |  | 2023
Contractual Maturity |  | Amortized Cost |  | Estimated Fair Value |  | Amortized Cost |  | Estimated Fair Value
Within one year |  | $ | 9.5 |  |  | $ | 9.4 |  |  | $ | 6.9 |  |  | $ | 6.8 |
Over one year to five years |  | 84.7 |  |  | 84.3 |  |  | 80.5 |  |  | 79.1 |
Over five years to ten years |  | 12.6 |  |  | 12.7 |  |  | 7.1 |  |  | 7.2 |
Over ten years |  | — |  |  | — |  |  | 0.1 |  |  | 0.1 |
Total restricted securities available for sale |  | $ | 106.8 |  |  | $ | 106.4 |  |  | $ | 94.6 |  |  | $ | 93.2 |

X
- Definition Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-6 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration